Elliott Sober and David Sloan Wilson have published a provocative book Unto Others, Harvard Univ. Press, 1998.
In this, they try to argue for the significance of group selection; and they also try to clarify the evolution and psychology of altruism.
Here, I will present a couple of their basic models, with my illustrations.
However, it is controversial whether or not their models are applicable to the evolution of human morality.
To Brain worm
September 14, 1999; last modified Oct. 4, 2005. Soshichi Uchii
